Stripping roller for string bean harvesters



F. P. RYDER March 8, 1932.

STRIPPING ROLLER FOR STRING BEAN HARVESTERS Filed July 20, 1928 stripfor pull'them from the 'bushes'or'vines ping rollers and the stripping rollers is or Patented Maris, 1932 p p v I I UNITED STATES PATENT OFFICE i i FRANK mm m, or NIAGARA FALLS, NEW xonx" I if VSTRIPPING ROLLER FOR STRING BEAN v HA BVIElS'I'ER-S Application filedinlyzo, 192s. SeriaI No. 294,209. V My invention relates to string bean har-. thatthe peripheral speed of the stripping vestersin which thebushes or vines on winch rollers 7 and 8 W111 be greater'than the per1ph the beansare grown are grippedby'rollers eral speed of gripping rollers 3 and 4;. .The and the beans are acted on by other rollers to arrangement and means for driving the gripand my present invention relates particularly may be the same as that shown in myapglicato the construction of the stripping rollers tion for Letters Patent of the United tates by which the beans arestripped or pulled filed November 9, 1927, Serial No. 232,119. r free from the vines. l r In my application referred to the gripping V to In my application'for Letters Patent of the rollers and the stripping rollers are described United States filed November 9, 1927, Serial as formed of a'core of spongy rubber with a No. 232,119, of whichthe present case consticovering of pure rubber. In mypresent ap-' tutes a continuation in part I have shown plication the gripping rollers 3 and 4 are Imeans for gripping bean bushes or vines and preferably of spongy rubber covered with 3* stripping the'beans from them in combinapure rubber but instead of using this contion with means for separating thebeans so struction for the stripping rollers I prefer to stripped from the bushes or vines, from the construct them as cylindrical brushes conleaves or stalks which are stripped o'if with slsting of a core 15in which are secured the them. It'is the object of'my present inveninner ends of bunches of bristles 16 so that tion to provide stripping rollers of different the free ends of the bristles extend radially 7 construction from thoseshown in the said outward'from the shafts. i application, simpler and less expensive and Inthe gripping rollers I constructed as better adapted to efiect the stripping. shown and described in my application re- 7 With the objects above indicated and other ferred to the rollers are adapted in gripping i. 25' objects hereinafter explained in view, my inthe beans to yield radially inward, thatis, v

vention consists in the construction and comtoward the shafts on which they are carried bination of elements hereinafter described as Well as, to some extent, tangentially. The

andclaimed. bristles of the brush rollers of the present- Referring to the drawing application cannot yield radially inward and 330 Figure 1 is a vertical cross-sectional view can yield only tai g n lly and fOIi hiS rear 1 35, gripping rollers showing them in operation rollers. 7

of gripping and stripping rollers embodying son, bytheir elasticity exert a stronger pullmy invention. I p I 'ing or stripping efiect upon the beans, tend- Figure 2 is a side view of the same, and ing, to strip them inore quickly from the Figure 3 is a cross-sectional view of the bushes or vines held back by the gripping on the beans. Thefigripping rollers constructed as de-. In the drawings land 2 indicate a pair of scribed in my application referred to are parhorizontally arranged parallel shafts each ticularly adapted for gripping the bushes or carrying an elastic gripping roller 3 on shaft vines. I do not desire to be limited to the use .40 1 and i on shaft 2 and 5 and .6 indicate respec- 'ofsuchzgripping rollers as other constructions tively one of a pair of horizontally arranged may be usedby which the bushes or vines are parallel shafts arranged below and parallel "so-gripped as. to hold'them without injury to with shafts 1 and 2, carrying respectively the "beansagainst the pull of the stripping stripping rollers 7 and 8,-and arranged to be rollers.

s f I driven by sprocket chains 9 and 10 from 1 Thebristles 16vshould be relatively stiff so sprocket gears 11 and 12 carried'respectively "as to exert a strong pulling or stripping action by shafts -1 and 2, and sprocket gears 13 and "onthe beans-but must not besufliciently-stiif; 1% carried by shafts 5 and 6, these sprocket to abrade or otherwise. injure the-beans. j

gears 13 and 14 being of less diameter than Having'thus:described my invention what m sprocket gearsv 9 and 10 on shafts l and2 so 'I- clairn isz 1, In a machine for separating string beans from the plants on which they were grown the combination of gripping rolls adapted to feed the beans in a downward direction and stripping rolls arranged below said gripping rolls adapted to grip the beans as they pass downward from the feeding means, means for driving the gripping rolls and means for so driving the stripping rolls that their peripheral speed will be greater than the peripheral speed of the gripping rolls to thereby draw the beans downward with suflicient force to pull them away from the bushes.

2. In a machine for separating string beans from the plants on which they were grown the combination of gripping rolls adapted tofeed the'beans in.a downward directionvand stripping rolls arrangedbelow said gripping rolls having peripheral surfaces adapted to yield tangentially to grip the beans as they pass downward from the feeding means, means for driving the gripping rolls and means for so driving the stripping rolls that their peripheral speed will be greater than the peripheral Speed of the gripping rolls to thereby draw the beans downward with suflicient force to pull them away from the bushes.

3. In amachine forseparatin string beans from the plants on which they were grown-the combinationof gripping rolls, adapted to feed the-beansin a downward direction-and strippingrolls arranged below said gripping rolls havingtheir peripheral surfaces formed of bristlesladapted to grip the beans as they pass downward from the feeding means, means for arranged in position to receive the beans therefrom and means for rotating the stripping rolls at a greater peripheral speed than the peripheral speed ofthe gripping rolls.

6. In a machine for separating string beans from the plants on which they were grown a pair of gripping rolls having their axes in a substantially horizontal lane and having peripheral surfaces of yielding material adapted to receive between them the beans and pertionsof the plants and tofeed them to stripping rolls and a pair of stripping rolls having'their axes in a substantially horizontal plane arranged in position to receive the beans therefrom and means for rotating the stripping rolls at a greater peripheral speed than the peripheral'speed of the grippingrolls, the peripheral surfaces of the stripping rolls be ing formed of outwardly projecting bristles. a 7 In a machine for separatingstring beans from the plants on which they were rown, the combination of feeding means a apted to feed the beans in a downward directional; a predetermined rate of movement and means arranged below, said feeding means. ada ted to grip thebeans asthey pass-downward cm the feeding means and to draw them downward at arate of movement greater than the rate of movement imparted to them by the feedingmeans so as to pull them-away from the bushes.

Intestimony whereof,rI hereunto afiix my signature,

FRANK PITTIS RYDER.

driving the grippingrolls and means for so driving-thestripping rolls that theirperiphenal speed will be greater than the peripheral Speed'of the grippingrolls to thereby draw the beans downward with sufficient force .to pull themaway from the bushes.

4. In amachine for separating string-beans fromthe plants on which they were grown the combination of gripping rolls adapted. to feed the beans in a downwarddirection and stripping rollsarranged below said gripping rolls havingtheir peripheral surfaces vformed of radially extending bristles adapted to grip the-beans as they pass downward from the feeding means, means for driving the grip ping rolls and means for so driving the stripping rolls that their peripheral speedwillbe greater, than the peripheral speed of the gripplng rolls to thereby draw the beans downward with sufiicient force to pull them away from the bushes. Y

5.; In a machinefor separating string beans from the plants on which they were grown a pair of gripping rolls havingtheir axes in a substantially horizontal plane and having peripheral surfaces ofvielding material adapted to receive between them the beans and portions of the plants and to feedthem to stripping rolls and a pair of stripping rolls having their axes in a substantially horizontal plane 

